I do about 2 hours a day, but I break it up, I swim, I run, I do the treadmill, I take classes & I do Cathe's videos. I love her Coremax and do that 4 or 5 x's a week. I lift 5 days a week & do cardio 6 - 7 days a week depending on how I feel. If I need a break, I take it.